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“Dirty Frag” Vulnerability in groov EPIC and RIO
Knowledge Base - KB91509 - Published:
The “Dirty Frag” vulnerability—a local privilege escalation vulnerability consisting of two separate CVE IDs (CVE-2026-43284 and CVE-2026-43500) could be exploited...more
"Copy Fail" Vulnerability in groov RIO
Knowledge Base - KB91499 - Published:
A vulnerability in the Linux kernel in groov RIO modules could be exploited by an attacker to obtain unauthorized administrative (or root-level) privileges to your groov RIO by crafting specific logic through Node-RED, CODESYS, or shell (SSH) access.
groov RIO may not connect to network after a power cycle during network disruption
Knowledge Base - KB91501 - Published:
After a specific series of events that include a network disruption before you cycle power to a groov RIO, when you attempt to connect to your groov RIO, the browser reports that it can’t find the RIO.
Inspecting a communication handle variable in PAC Control Debug mode may cause a timeout error for SNAP PAC controllers and groov EPIC processors
Knowledge Base - KB86871 - Published:
When inspecting a communication handle variable in PAC Control Debug mode or any other program, you may encounter a communication timeout error with a SNAP PAC controller or groov EPIC processor running the PAC Control Engine.
PAC Control strategy commands Calculate & Set Analog Offset and Calculate & Set Analog Gain return 0.0 for groov I/O or groov RIO channels
Knowledge Base - KB91448 - Published:
When calibrating analog channels on groov I/O or groov RIO modules using the PAC Control strategy Calculate & Set Analog Offset and Calculate & Set Analog Gain commands, the commands return a value of 0.0 instead of the required value.
A groov RIO with RSTP enabled may lose Ethernet connectivity on a network that has BPDU Guard enabled
Knowledge Base - KB91443 - Published:
RSTP is enabled by default on groov RIO devices running the affected firmware version. With RSTP enabled, a groov RIO may lose Ethernet connectivity and become unreachable when connected to a network switch that has BPDU Guard enabled.
Restoring a groov RIO in Independent Port Mode may fail if using a pre-4.1.0 firmware backup file that includes Firewall settings
Knowledge Base - KB91439 - Published:
If restoring a groov RIO in Independent port mode (groov Manage Home > Network > Configure > Port Mode field) with a backup file created in pre-4.1.0 firmware, you may encounter a restore...more
Node-RED on groov devices running pre-4.0 firmware may encounter memory leaks and restarts when accessing groov devices running 4.1.0 firmware with new web server certificates
Knowledge Base - KB91418 - Published:
When groov Manage is used to create new web server certificates on devices running firmware 4.1.0 and higher, it may cause Node-RED on groov devices running firmware 3.6.1 and lower to unexpectedly...more
A Node-RED Dashboard UI-only user can't access the Node-RED dashboard
Knowledge Base - KB91428 - Published:
If you create a FlowFuse Dashboard (also known as the Node-RED Dashboard 2.0) and a Node-RED Dashboard UI-only user, when the user logs in and attempts to view the dashboard, groov Manage displays the login screen instead of the dashboard.
When Node-RED and groov View (groov EPIC only) are disabled, Uptime and Last Started fields in groov Manage display incorrect values
Knowledge Base - KB91414 - Published:
When Node-RED and groov View (groov EPIC only) are disabled, the Uptime and Last started fields on their respective groov Manage pages may display incorrect values.
Error message when trying to create Data Service server certificate with fixed IP address
Knowledge Base - KB91386 - Published:
When you try to create a certificate for the Data Service and you specify a static IP address in the Server Name field, when you click Create, groov Manage displays an error message and does not create the certificate.
Touching EPIC touchscreen when in sleep mode may trigger unintended UI response
Knowledge Base - KB91340 - Published:
With a typical touchscreen, when you touch a blank screen, the only behavior should be that the screen comes on. However, with this issue, the touch may trigger a UI item located at the spot where you...more
External monitor screen goes blank when selecting certain video modes
Knowledge Base - KB91067 - Published:
For a few external monitors, when you select a different video mode (from the groov Manage Home page, select System > Display > Video Mode), the external monitor may not display anything (it may turn black or red).
Node-RED flows report errors soon after EPIC/RIO start
Knowledge Base - KB91313 - Published:
After your groov EPIC or RIO starts up, your Node-RED flows may report errors accessing local services (for example, groov Manage for I/O nodes) because the local services may not have finished starting yet.
SNAP analog points converted to G1 analog points after import through PAC Manager
Knowledge Base - KB91370 - Published:
If you used PAC Manager's Import/Copy I/O Unit Image feature to create a new I/O unit from an existing SNAP PAC I/O unit configuration, PAC Manager may converts any SNAP PAC analog modules to G1 analog modules.
WiFi SSIDs with space characters may not display in groov Manage, or connection may not restore
Knowledge Base - KB91193 - Published:
If you connect your groov EPIC or RIO to a wireless network that has an SSID with spaces, groov Manage may not display the SSID name or, if you do a Back and Restore as part of a...more

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